Ceramic Oil Diffuser currently available in black (white coming soon). They use ultrasonic technology allowing the scent to be delivered throughout the room safely and quietly. Use our pure essential oils to scent your home with these oil diffusers. Perfect alternative when you are wanting to scent your home without burning a candle. When the water runs out the electric oil diffuser will automatically turn off. There is a light mode and a power/mist mode. One tank can last up to 8 hours!